English verb conjugation
MUST STAG

Regular verb: stag - staged - staged

Affirmation

Simple form	V-ing form
I must stag you must stag he must stag we must stag you must stag they must stag	I must be staging you must be staging he must be staging we must be staging you must be staging they must be staging
Perfect	V-ing perfect
I must have staged you must have staged he must have staged we must have staged you must have staged they must have staged	I must have been staging you must have been staging he must have been staging we must have been staging you must have been staging they must have been staging

Negation

Simple form	V-ing form
I must not stag you must not stag he must not stag we must not stag you must not stag they must not stag	I must not be staging you must not be staging he must not be staging we must not be staging you must not be staging they must not be staging
Perfect	V-ing perfect
I must not have staged you must not have staged he must not have staged we must not have staged you must not have staged they must not have staged	I must not have been staging you must not have been staging he must not have been staging we must not have been staging you must not have been staging they must not have been staging

Interrogative form

Simple form	V-ing form
must I stag? must you stag? must he stag? must we stag? must you stag? must they stag?	must I be staging? must you be staging? must he be staging? must we be staging? must you be staging? must they be staging?
Perfect	V-ing perfect
must I have staged? must you have staged? must he have staged? must we have staged? must you have staged? must they have staged?	must I have been staging? must you have been staging? must he have been staging? must we have been staging? must you have been staging? must they have been staging?

Interro-negative form

Simple form	V-ing form
must I not stag? must you not stag? must he not stag? must we not stag? must you not stag? must they not stag?	must I not be staging? must you not be staging? must he not be staging? must we not be staging? must you not be staging? must they not be staging?
Perfect	V-ing perfect
must I not have staged? must you not have staged? must he not have staged? must we not have staged? must you not have staged? must they not have staged?	must I not have been staging? must you not have been staging? must he not have been staging? must we not have been staging? must you not have been staging? must they not have been staging?